#ifndef _THREAD_HPP__
#define _THREAD_HPP__

#include <iostream>
#include <string>
#include <functional>
#include <pthread.h>
#include <unistd.h>
#include <sys/types.h>
namespace ThreadModule
{
    using func_t = std::function<void(std::string name)>;
    static int number = 1;

    enum class TSTATUS
    {
        NEW,
        RUNNING,
        STOP
    };
    class Thread
    {
    private:
        // 若是成员方法，则会存在this指针问题
        static void *Routine(void *args)
        {
            Thread *t = static_cast<Thread *>(args);
            t->_func(t->Name());
            return nullptr;
        }
           void EnableDetach()
        {
            _joinable = false;
        }
    public:
        Thread(func_t func)
            : _func(func)
            , _status(TSTATUS::NEW)
            ,_joinable(true)
        {
            _name = "Thread-" + std::to_string(number++);
            _pid = getpid();
        }
        bool Start()
        {
            if (_status != TSTATUS::RUNNING)
            {
                int n = ::pthread_create(&_tid, nullptr, Routine, this);
                if (n != 0)
                    return false;
                _status = TSTATUS::RUNNING;
                return true;
            }
            return false;
        }
        bool Stop()
        {
            if(_status == TSTATUS::RUNNING)
            {
                int n = pthread_cancel(_tid);
                if(n != 0)
                    return false;
                _status = TSTATUS::STOP;
                return true;
            }
            return false;
        }
        bool Join()
        {
            if(_joinable)
            {
                int n = ::pthread_join(_tid,nullptr);
                if(n != 0)
                    return false;
                _status = TSTATUS::STOP;
                return true;
            }
            return false;
        }
        void Detach()
        {
            EnableDetach();
            pthread_detach(_tid);
        }
     
        bool IsJoinable()
        {
            return _joinable;
        }
        std::string Name()
        {
            return _name;
        }
        ~Thread()
        {
        }

    private:
        std::string _name;
        pthread_t _tid;
        pid_t _pid;
        bool _joinable; // 线程是否分离？默认不分离
        func_t _func;
        TSTATUS _status;
    };
}

#endif